alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Driveby Loader Request sn.php"; flow:established,to_server; content:"/sn.php?c="; http_uri; depth:10; content:"&t="; http_uri; pcre:"/c\x3d[0-9a-f]{100}/Ui"; classtype:trojan-activity; sid:2013519; rev:2; metadata:affected_product Any, attack_target Client_Endpoint, created_at 2011_09_02, deployment Perimeter, signature_severity Major, tag DriveBy, updated_at 2019_07_26;)